https://blog.frognew.com/2021/04/relearning-container-03.html

wget https://github.com/containernetworking/plugins/releases/download/v0.9.1/cni-plugins-linux-amd64-v0.9.1.tgz

mkdir -p /opt/cni/bin/
mkdir -p /etc/cni/net.d

tar -zxvf cni-plugins-linux-amd64-v0.9.1.tgz -C /opt/cni/bin/